code: def from_path(cls, path: str) -> "VectorIndex":
      index = faiss.read_index(path)
      return cls(index)
  
file_path: ludwig/ludwig/vector_index/faiss.py
imports: import faiss
  import numpy
  from ludwig.vector_index.base import VectorIndex
label_desc: Use image node_id 4 for calling the FaissIndex obj's underlying member method code with example usage: obj.from_path(cls, path) and returns: cls